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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC vs.
Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
16#include <limits.h> 17#include <limits.h>
17#include <fcntl.h> 18#include <fcntl.h>
18#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK
22# include <sys/mman.h>
23#endif
19 24
20/* perl namespace pollution */ 25/* perl namespace pollution */
21#undef VERSION 26#undef VERSION
22 27
23#ifdef _WIN32 28#ifdef _WIN32
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
108 112
109#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 114
112#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
113 SV *callback; \ 116 SV *callback; \
114 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 118 STRLEN stroffset; \
… …
121 124
122#ifndef POSIX_FADV_NORMAL 125#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 126# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1 127# define NO_FADVISE 1
125#endif 128#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
129#endif 131#endif
130
131#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
133#endif 134#endif
134
135#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
137#endif 137#endif
138
139#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
141#endif 140#endif
142
143#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#ifndef ST_NODEV
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
145#endif 181#endif
146 182
147static int req_invoke (eio_req *req); 183static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 184#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 185static void req_destroy (eio_req *grp);
… …
178 /* read any signals sent by the worker threads */ 214 /* read any signals sent by the worker threads */
179 s_epipe_drain (&respipe); 215 s_epipe_drain (&respipe);
180} 216}
181 217
182/* must be called at most once */ 218/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 219static SV *req_sv (aio_req req, HV *stash)
184{ 220{
185 if (!req->self) 221 if (!req->self)
186 { 222 {
187 req->self = (SV *)newHV (); 223 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 224 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 225 }
190 226
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 227 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 228}
193 229
194static aio_req SvAIO_REQ (SV *sv) 230static aio_req SvAIO_REQ (SV *sv)
195{ 231{
196 MAGIC *mg; 232 MAGIC *mg;
197 233
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 234 if (!SvROK (sv)
235 || (SvSTASH (SvRV (sv)) != aio_grp_stash
236 && SvSTASH (SvRV (sv)) != aio_req_stash
237 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 238 croak ("object of class IO::AIO::REQ expected");
200 239
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 240 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 241
203 return mg ? (aio_req)mg->mg_ptr : 0; 242 return mg ? (aio_req)mg->mg_ptr : 0;
204} 243}
… …
210 dSP; 249 dSP;
211 250
212 ENTER; 251 ENTER;
213 SAVETMPS; 252 SAVETMPS;
214 PUSHMARK (SP); 253 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 254 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 255 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 256 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 257 SPAGAIN;
219 FREETMPS; 258 FREETMPS;
220 LEAVE; 259 LEAVE;
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 365 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 366 char sym [64];
328 int symlen; 367 int symlen;
329 368
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 369 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 370 gv_init (gv, aio_stash, sym, symlen, 0);
332 371
333 symlen = snprintf ( 372 symlen = snprintf (
334 sym, 373 sym,
335 sizeof (sym), 374 sizeof (sym),
336 "%s&=%d", 375 "%s&=%d",
… …
342 fh = (SV *)gv; 381 fh = (SV *)gv;
343 } 382 }
344 383
345 PUSHs (fh); 384 PUSHs (fh);
346 } 385 }
386 break;
387
388 case EIO_STATVFS:
389 case EIO_FSTATVFS:
390 {
391 SV *rv = &PL_sv_undef;
392
393 if (req->result >= 0)
394 {
395 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
396 HV *hv = newHV ();
397
398 rv = sv_2mortal (newRV_noinc ((SV *)hv));
399
400 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
401 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
402 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
403 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
404 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
405 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
406 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
407 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
408 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
409 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
410 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
411 }
412
413 PUSHs (rv);
414 }
415
347 break; 416 break;
348 417
349 case EIO_GROUP: 418 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 419 req->int1 = 2; /* mark group as finished */
351 420
… …
443 512
444static void 513static void
445create_respipe (void) 514create_respipe (void)
446{ 515{
447 if (s_epipe_renew (&respipe)) 516 if (s_epipe_renew (&respipe))
448 croak ("unable to initialize result pipe"); 517 croak ("IO::AIO: unable to initialize result pipe");
449} 518}
450 519
451static void poll_wait (void) 520static void poll_wait (void)
452{ 521{
453 while (eio_nreqs ()) 522 while (eio_nreqs ())
… …
514 PUTBACK; \ 583 PUTBACK; \
515 req_submit (req); \ 584 req_submit (req); \
516 SPAGAIN; \ 585 SPAGAIN; \
517 \ 586 \
518 if (GIMME_V != G_VOID) \ 587 if (GIMME_V != G_VOID) \
519 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 588 XPUSHs (req_sv (req, aio_req_stash));
520 589
521MODULE = IO::AIO PACKAGE = IO::AIO 590MODULE = IO::AIO PACKAGE = IO::AIO
522 591
523PROTOTYPES: ENABLE 592PROTOTYPES: ENABLE
524 593
… …
544 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 613 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
545 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 614 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
546 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 615 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
547 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 616 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
548 617
618 const_iv (ST_RDONLY , ST_RDONLY)
619 const_iv (ST_NOSUID , ST_NOSUID)
620 const_iv (ST_NODEV , ST_NODEV)
621 const_iv (ST_NOEXEC , ST_NOEXEC)
622 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)
623 const_iv (ST_MANDLOCK , ST_MANDLOCK)
624 const_iv (ST_WRITE , ST_WRITE)
625 const_iv (ST_APPEND , ST_APPEND)
626 const_iv (ST_IMMUTABLE , ST_IMMUTABLE)
627 const_iv (ST_NOATIME , ST_NOATIME)
628 const_iv (ST_NODIRATIME , ST_NODIRATIME)
629 const_iv (ST_RELATIME , ST_RELATIME)
630
631 const_iv (MCL_FUTURE , MCL_FUTURE)
632 const_iv (MCL_CURRENT , MCL_CURRENT)
633
634 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC)
637
638 const_eio (MT_MODIFY)
639
549 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
550 const_eio (SYNC_FILE_RANGE_WRITE) 641 const_eio (SYNC_FILE_RANGE_WRITE)
551 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
552 643
553 const_eio (READDIR_DENTS) 644 const_eio (READDIR_DENTS)
… …
564 const_eio (DT_LNK) 655 const_eio (DT_LNK)
565 const_eio (DT_SOCK) 656 const_eio (DT_SOCK)
566 const_eio (DT_WHT) 657 const_eio (DT_WHT)
567 }; 658 };
568 659
569 stash = gv_stashpv ("IO::AIO", 1); 660 aio_stash = gv_stashpv ("IO::AIO" , 1);
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
570 663
571 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
572 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
573 666
574 create_respipe (); 667 create_respipe ();
575 668
576 if (eio_init (want_poll, done_poll) < 0) 669 if (eio_init (want_poll, done_poll) < 0)
577 croak ("IO::AIO: unable to initialise eio library"); 670 croak ("IO::AIO: unable to initialise eio library");
… …
804} 897}
805 898
806void 899void
807aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 900aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
808 ALIAS: 901 ALIAS:
809 aio_stat = EIO_STAT 902 aio_stat = EIO_STAT
810 aio_lstat = EIO_LSTAT 903 aio_lstat = EIO_LSTAT
904 aio_statvfs = EIO_STATVFS
811 PPCODE: 905 PPCODE:
812{ 906{
813 dREQ; 907 dREQ;
814 908
815 req->sv1 = newSVsv (fh_or_path); 909 req->sv1 = newSVsv (fh_or_path);
… …
819 req->type = ix; 913 req->type = ix;
820 req->ptr1 = SvPVbyte_nolen (req->sv1); 914 req->ptr1 = SvPVbyte_nolen (req->sv1);
821 } 915 }
822 else 916 else
823 { 917 {
824 req->type = EIO_FSTAT; 918 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
825 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 919 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
826 } 920 }
827 921
828 REQ_SEND; 922 REQ_SEND;
829} 923}
… …
992 1086
993 REQ_SEND; 1087 REQ_SEND;
994} 1088}
995 1089
996void 1090void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS:
1093 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE:
1097{
1098 STRLEN svlen;
1099 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101
1102 if (offset < 0)
1103 offset += svlen;
1104
1105 if (offset < 0 || offset > svlen)
1106 croak ("offset outside of scalar");
1107
1108 if (!SvOK (length) || len + offset > svlen)
1109 len = svlen - offset;
1110
1111 {
1112 dREQ;
1113
1114 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset;
1118 req->int1 = flags;
1119
1120 REQ_SEND;
1121 }
1122}
1123
1124void
997aio_busy (double delay, SV *callback=&PL_sv_undef) 1125aio_busy (double delay, SV *callback=&PL_sv_undef)
998 PPCODE: 1126 PPCODE:
999{ 1127{
1000 dREQ; 1128 dREQ;
1001 1129
… …
1013 dREQ; 1141 dREQ;
1014 1142
1015 req->type = EIO_GROUP; 1143 req->type = EIO_GROUP;
1016 1144
1017 req_submit (req); 1145 req_submit (req);
1018 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1146 XPUSHs (req_sv (req, aio_grp_stash));
1019} 1147}
1020 1148
1021void 1149void
1022aio_nop (SV *callback=&PL_sv_undef) 1150aio_nop (SV *callback=&PL_sv_undef)
1023 ALIAS: 1151 ALIAS:
… …
1141 1269
1142ssize_t 1270ssize_t
1143sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1144 PROTOTYPE: $$$$ 1272 PROTOTYPE: $$$$
1145 CODE: 1273 CODE:
1146 eio_sendfile_sync (ofh, ifh, offset, count); 1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT:
1276 RETVAL
1277
1278int
1279mlockall (int flags)
1280 PROTOTYPE: $
1281 CODE:
1282#if _POSIX_MEMLOCK
1283#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1284 extern int mallopt (int, int);
1285 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1286#endif
1287 mlockall (flags);
1288#else
1289 RETVAL ＝-1;
1290 errno = ENOSYS;
1291#endif
1292 OUTPUT:
1293 RETVAL
1294
1295int
1296munlockall ()
1297 PROTOTYPE:
1298 CODE:
1299#if _POSIX_MEMLOCK
1300 munlockall ();
1301#else
1302 RETVAL ＝-1;
1303 errno = ENOSYS;
1304#endif
1305 OUTPUT:
1306 RETVAL
1147 1307
1148void _on_next_submit (SV *cb) 1308void _on_next_submit (SV *cb)
1149 CODE: 1309 CODE:
1150 SvREFCNT_dec (on_next_submit); 1310 SvREFCNT_dec (on_next_submit);
1151 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1311 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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